Gonadal Development — Urogenital Development

Gonadal Development MCQs: practice questions

Sample Gonadal Development multiple-choice questions from Urogenital Development.

1. What is the fate of the mesonephric duct in the male reproductive system?

   • A. It forms the uterine tubes
   • B. It forms the ovary
   • C. It forms the uterus
   • D. It forms the superior vagina
   • E. It forms the epididymis, ductus deferens, seminal vesicle, and ejaculatory duct

2. By what week can male or female characteristics of the external genitalia be recognized?

   • A. Week 20
   • B. Week 12
   • C. Week 6
   • D. Week 9
   • E. Week 7

3. What is the adult remnant of mesonephric tubules in the male?

   • A. Paradidymis
   • B. Appendix epididymis
   • C. Seminal vesicle
   • D. Appendix testis
   • E. Rete testis

4. What embryonic structure gives rise to the gonadal ridge?

   • A. Urogenital sinus
   • B. Lateral plate mesoderm
   • C. Cloaca
   • D. Urogenital ridge
   • E. Nephrogenic cord

5. What causes the relative descent of the ovaries into the pelvis?

   • A. Migration through the ureter
   • B. Disproportionate growth of the upper abdominal region
   • C. Regression of the mesonephric duct
   • D. Active contraction of the ovary
   • E. Descent of the uterus

6. Which gene on the Y chromosome is crucial for testicular differentiation?

7. What is the fate of the paramesonephric duct in the male?

8. Which testicular cells produce Müllerian-inhibiting factor?

9. What structure incorporates primordial germ cells in the developing indifferent gonad?

10. Where do the ovaries initially develop?

11. Which testicular cells produce testosterone?

12. What is the adult remnant of the mesonephric duct in the male?

13. What is the fate of the rete ovarii?

14. From where do primordial germ cells migrate into the developing gonad?

15. Which testicular structure remains solid until puberty?

16. What structure forms the efferent ductules of the testes?

17. What is the adult remnant of the paramesonephric duct in the male?

18. What is the function of Müllerian-inhibiting factor during male development?

19. What cells surround the primary oocyte in a primordial follicle?

20. What does the continuation of the gubernaculum into the labia majora become?

21. What does the SRY gene encode?

22. Which cell type forms the interstitial tissue of the fetal testis?

23. What does the gubernaculum become between the ovary and uterus?

24. By what week is phenotypic sexual differentiation complete?

25. What is the developmental source of ovarian primordial follicles?

26. Which structure forms the seminiferous cords?

27. Which structure forms the rete testes?

28. Where do primordial germ cells originate?

29. What happens to the processus vaginalis in the female?

30. When does phenotypic sexual differentiation begin?